<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片 -->
    <el-card>
      <!-- 搜索框 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryinfo.query"
            @change="getGoodsList"
            clearable
          >
            <el-button slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddGoods">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 表格 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column
          label="商品名称"
          prop="goods_name"
          width="480px"
        ></el-table-column>
        <el-table-column
          label="商品价格（元）"
          prop="goods_price"
          width="110px"
        ></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight"></el-table-column>
        <el-table-column label="创建时间" width="150px">
          <template slot-scope="scope">
            <span>{{ scope.row.add_time | dataFormate }}</span>
          </template>
        </el-table-column>
        <!-- 操作按钮 -->
        <el-table-column label="操作" width="120px">
          <template slot-scope="scope">
            <el-button
              size="mini"
              icon="el-icon-edit"
              type="primary"
            ></el-button>
            <el-button
              size="mini"
              icon="el-icon-delete"
              type="danger"
              @click="removeGoodList(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryinfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryinfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      queryinfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      goodsList: [],
      total: null,
    };
  },
  methods: {
    //获取商品列表数据
    async getGoodsList() {
      let { data: res } = await this.$http.get("goods", {
        params: {
          query: this.queryinfo.query,
          pagenum: this.queryinfo.pagenum,
          pagesize: this.queryinfo.pagesize,
        },
      });
      console.log(res);
      if (res.meta.status != 200) return this.$message.error("获取数据失败");
      this.goodsList = res.data.goods;
      this.total = res.data.total;
    },
    //显示数量
    handleSizeChange(val){
       this.queryinfo.pagesize = val
       this.getGoodsList()
    },
    //当前页
    handleCurrentChange(val){
       this.queryinfo.pagenum = val
       this.getGoodsList()
    },
    //删除商品列表数据
    removeGoodList(goodsId){
        this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err).then(async confirm =>{
            if(confirm != 'confirm') return this.$message.info("已经取消删除")
            let {data:res} = await this.$http.delete(`goods/${goodsId}`)
            if(res.meta.status != 200) return this.$message.error("删除失败")
            this.getGoodsList()
            this.$message.success("删除成功")
        })
    },
    //跳转到添加商品页面
    goAddGoods(){
        this.$router.push('/goods/add')
    }
  },
  created() {
    this.getGoodsList();
  },
};
</script>

<style lang="less" scoped>
.el-card {
  .el-table {
    margin-top: 25px;
    font-size: 10px;
  }
}
</style>